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Reorganize usb source files. Create a new hw/usb/ directory and move
all usb source code to that place. Also make filenames a bit more
descriptive. Host adapters are prefixed with "hch-" now, usb device
emulations are prefixed with "dev-". Fixup paths Makefile and include
paths to make it compile. No code changes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Activate usb hid pointer devices (mouse+tablet) unconditionally
on polls, even if we NAK the poll due to lack of new events.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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* kraxel/usb.38: (28 commits)
xhci: handle USB_RET_NAK
xhci: remote wakeup support
xhci: kill port arg from xhci_setup_packet
xhci: stop on errors
xhci: add trb type name lookup support.
xhci: signal low- and fullspeed support
usb: add USBBusOps->wakeup_endpoint
usb: pass USBEndpoint to usb_wakeup
usb: maintain async packet list per endpoint
usb: Set USBEndpoint in usb_packet_setup().
usb: add USBEndpoint->{nr,pid}
usb: USBPacket: add status, rename owner -> ep
usb: fold usb_generic_handle_packet into usb_handle_packet
usb: kill handle_packet callback
usb-xhci: switch to usb_find_device()
usb-musb: switch to usb_find_device()
usb-ohci: switch to usb_find_device()
usb-ehci: switch to usb_find_device()
usb-uhci: switch to usb_find_device()
usb: handle dev == NULL in usb_handle_packet()
...
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Replace device_init() with generalized type_init().
While at it, unify naming convention: type_init([$prefix_]register_types)
Also, type_init() is a function, so add preceding blank line where
necessary and don't put a semicolon after the closing brace.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: malc <av1474@comtv.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Devices must specify which endpoint has data to transfer now.
The plan is to use the usb_wakeup() not only for remove wakeup support,
but for "data ready" signaling in general, so we can move away from
constant polling to event driven usb device emulation.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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With the separation of the device lookup (via usb_find_device) and
packet processing we can lookup device and endpoint before setting up
the usb packet. So we can initialize USBPacket->ep early and keep it
valid for the whole lifecycle of the USBPacket. Also the devaddr and
devep fields are not needed any more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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All drivers except usb-hub use usb_generic_handle_packet. The only
reason the usb hub has its own function is that it used to be called
with packets which are intended for downstream devices. With the new,
separate device lookup step this doesn't happen any more, so the need
for a different handle_packet callback is gone.
So we can kill the handle_packet callback and just call
usb_generic_handle_packet directly. The special hub handling in
usb_handle_packet() can go away for the same reason.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This was done in a mostly automated fashion. I did it in three steps and then
rebased it into a single step which avoids repeatedly touching every file in
the tree.
The first step was a sed-based addition of the parent type to the subclass
registration functions.
The second step was another sed-based removal of subclass registration functions
while also adding virtual functions from the base class into a class_init
function as appropriate.
Finally, a python script was used to convert the DeviceInfo structures and
qdev_register_subclass functions to TypeInfo structures, class_init functions,
and type_register_static calls.
We are almost fully converted to QOM after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Type registeration is going to get turned into a QOM call so decouple the
legacy support.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We can probably model USBHidDevice as a base class to get even better code
sharing but for now, just use a common function to initialize the common class
members.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Also handle {GET,SET}_INTERFACE in common code (usb-desc.c).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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qemu uses the ps/2 mouse by default. The usb tablet (or mouse) is
activated as soon as qemu sees some guest activity on the device,
i.e. polling for HID events. That used to work fine for both fresh
boot and migration.
Remote wakeup support changed the picture though: There will be no
polling after migration in case the guest suspended the usb bus,
waiting for wakeup events. Result is that the ps/2 mouse stays
active.
Fix this by activating the usb tablet / mouse in post_load() in case
the guest enabled remote wakeup.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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No users left, all migrated over to hw/hid.[ch].
Yea! Zap it!
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Use new hid vmstate macro. Version stays the same, because there is no
reordering of the fields.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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HID reorganziation broke the usb tablet in windows xp. The reason is
that xp activates idle before it starts polling, which creates a
chicken-and-egg issue: We don't call hid_pointer_poll because there are
no pending events. We don't get any events because the activation code
in hid_pointer_poll is never executed and thus all pointer events are
routed to the PS/2 mouse by qemu.
Fix this by creating a hid_pointer_activate function and call it from
usb-hid when the guest sets the idle state.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Almost pure code motion. Unstatic hid interface functions and add
them to the header file. Some renames. Some code style cleanups.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add hid_has_events function, use it to figure whenever there are pending
events instead of checking and updating USBHIDState->changed.
Setting ->changed to 1 on init is removed, that should have absolutely
no effect as the initial state of ->idle is 0 so we report hid state
anyway until the guest configures some idle time. Also should clear
->idle on reset.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add callback for event notification, which allows to un-usbify more
functions. Also split separate hid_* functions for reset and release.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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First step in separating out the HID emulation code from usb-hid, so it
can be reused without creating a dummy usb device like bluetooth does.
This creates a HIDState struct, moves the non-usbish fields from
USBHIDStruct there. Renames non-usbish structs, defines and functions
from usb* to hid*. Adapts the code to that.
Also cleans up a bunch of code style issues along the way.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Zap data pointer from USBPacket, add a QEMUIOVector instead.
Add a bunch of helper functions to manage USBPacket data.
Switch over users to the new interface.
Note that USBPacket->len was used for two purposes: First to
pass in the buffer size and second to return the number of
transfered bytes or the status code on async transfers. There
is a new result variable for the latter. A new status code
was added to catch uninitialized result.
Nobody creates iovecs with more than one element (yet).
Some users are (temporarely) limited to iovecs with a single
element to keep the patch size as small as possible.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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For unknown reasons, Windows drivers (tested with XP and Win7) ignore
usb-tablet events that move the pointer to 0/0. So always report 0/0 as
1/0.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
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Remove leftover calls to usb_hid_changed().
Take care to update the changed flag after delivering a event via
GET_REPORT like we do when sending events via interrupt endpoint.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The USB tablet advertises that it supports the "boot" protocol.
However, its reports aren't "boot" protocol compatible. So, it
shouldn't claim that.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The QEMU USB mouse claims to support the "boot" protocol
(bInterfaceSubClass is 1). However, the mouse rejects the
Set_Protocol command.
The qemu mouse does support the "boot" protocol specification, so a
simple fix is to enable the Set_Protocol request.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This allows using the generic usb_generic_handle_packet function from
device code which does ASYNC control requests (such as the linux host
pass through code).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Previously we relied on the .bNumInterfaces, but that won't always be
accurate after the introduction of grouped interfaces.
Signed-off-by: Brad Hards <bradh@frogmouth.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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In some cases qemu-common.h or qemu-timer.h can be used in place
of sysemu.h.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This was done with:
sed -i 's/qemu_get_clock\>/qemu_get_clock_ns/' \
$(git grep -l 'qemu_get_clock\>' )
sed -i 's/qemu_new_timer\>/qemu_new_timer_ns/' \
$(git grep -l 'qemu_new_timer\>' )
after checking that get_clock and new_timer never occur twice
on the same line. There were no missed occurrences; however, even
if there had been, they would have been caught by the compiler.
There was exactly one false positive in qemu_run_timers:
- current_time = qemu_get_clock (clock);
+ current_time = qemu_get_clock_ns (clock);
which is of course not in this patch.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch moves the 'head' and 'n' fields from USBMouseState and
USBKeyboardState to the common USBHIDState struct.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds a event queue to the usb keyboard. This makes sure the
guest will see all key events even if they come in bursts. With this
patch applied sending Ctrl-Alt-Del using vncviewer's F8 menu works.
Also with autosuspend enabled the first keypress on a suspended keyboard
takes a little longer to be delivered to the guest because the usb bus
must be resumed first. Without event queue this easily gets lost.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The polling nature of the USB HID device makes it very hard to double
click or drag while on a high-latency VNC connection. This patch,
based on work done in the Xen qemu-dm tree by Ian Jackson, fixes this
bug by adding an event queue to the device. The event queue associates
each movement with the correct button state, and remembers all button
presses and releases as well.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffman <kraxel@redhat.com>
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* 'usb.4' of git://anongit.freedesktop.org/spice/qemu: (32 commits)
usb: zap pdev from usbport
usb: rewrite fw path, fix numbering
usb: add port property.
usb: keep track of physical port address.
usb storage: handle long responses
usb storage: fix status reporting
usb storage: high speed support
usb: add device qualifier support
usb: add usb_desc_attach
usb: add attach callback
usb: add speed mask to ports
usb: hid: change serial number to "42".
usb: hid: remote wakeup support.
usb: hub: remote wakeup support.
usb: uhci: remote wakeup support.
usb: add usb_wakeup() + wakeup callback to port ops
usb: rework attach/detach workflow
usb: create USBPortOps, move attach there.
usb: move remote wakeup handling to common code
usb: move USB_REQ_{GET,SET}_CONFIGURATION handling to common code
...
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When a modifier key is pressed or released, the USB HID keyboard still
answers NAK, unless another key is also pressed or released.
The patch fixes that by calling usb_hid_changed() when a modifier key
is pressed or released.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The USB keyboard emulation's translation table in hw/usb-hid.c doesn't
match the codes actually sent for the Logo (a.k.a. "Windows") or Menu
keys. This results in the guest OS not being able to receive these keys
at all when the USB keyboard emulation is being used.
In particular, both the keymap in /usr/share/kvm/keymaps/modifiers and
the evdev table in x_keymap.c map these keys to 0xdb, 0xdc, and 0xdd,
while usb_hid_usage_keys[] seems to be expecting them to be mapped to
0x7d, 0x7e, and 0x7f.
The attached patch seems to fix the problem, at least in my (limited)
testing.
http://bugs.debian.org/578846
http://bugs.debian.org/600593 (cloned from the above against different pkg)
https://bugs.launchpad.net/qemu/+bug/584139
Signed-Off-By: Brad Jorsch <anomie@users.sourceforge.net>
Signed-Off-By: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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It would be nice to have some way to signal our hid devices support
remote wakeup. There is a descriptor bit for that of course. Problem
with using is one is that older qemu versions used to set the bit even
though they did *not* support remote wakeup. Bummer.
This patch changes the serial number of our hid devices from "1" to "42"
to signal "it is safe to enable remote wakeup". The serial number was
choosen because it isn't used for anything and it is available in sysfs
so it is easy to match it using udev rules like this:
ACTION=="add", SUBSYSTEM=="usb", \
ATTR{product}=="QEMU USB Tablet", ATTR{serial}=="42", \
RUN+="usb_enable_autosuspend %p"
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add usb_wakeup() call to the hid driver so remote wakeup actually works.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch moves setting and clearing the remote_wakeup feature
bit (via USB_REQ_{SET,CLEAR}_FEATURE) to common code. Also
USB_REQ_GET_STATUS handling is moved to common code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds fields to the USBDevice struct for the current
speed (hard-wired to full speed for now) and current device
configuration. Also a init function is added which inializes
these fields. This allows USB_REQ_{GET,SET}_CONFIGURATION
handling to be moved to common code.
For most drivers the conversion is trivial ad they support a single
configuration only anyway. One exception is bluetooth where some
device-specific setup code runs after get/set configuration. The
other is usb-net which actually has two configurations so the
the code to check for the active configuration has been adapted.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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USB_REQ_SET_ADDRESS handling is identical in *all* emulated devices.
Move it to common code.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Switch the usb hid drivers (keyboard, mouse, tablet) over to the
new descriptor infrastructure.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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If a USB keyboard is unplugged, the keyboard eventhandler is never
removed, and events will continue to be passed through to the device,
causing crashes or memory corruption.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Anything that moves hundreds of lines out of vl.c can't be all bad.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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And convert usb-hid to use it (to avoid regression with bisection)
Right now, when we do info mice and we've added a usb tablet, we don't see it
until the guest starts using the tablet. We implement this behavior in order
to provide a means to delay registration of a mouse handler since we treat
the last registered handler as the current handler.
This is a usability problem though as we would like to give the user feedback
that they've either 1) not added an absolute device 2) there is an absolute
device but the guest isn't using it 3) we have an absolute device and it's
active.
By using QTAILQ and having an explicit activation function that moves the
handler to the front of the queue, we can implement the same semantics as
before with respect to automatically switching to usb tablet while providing
the user with a whole lot more information.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add led status notification support to the usb kbd driver.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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I found that the QEMU USB keyboard support does not work properly with
the Set_Idle command. Once a non-zero value is given to Set_Idle,
then the keyboard reports an event on every poll - not based on the
time issued in the Set_Idle command.
I changed the code (see patch below) and it works for me. I'm not
that familiar with the qemu internals, so I'm not sure if this is the
best way to implement this feature.
-Kevin
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Simplifies power budget negotiation.
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Device names with whitespace require quoting in the shell and in the
monitor. Some of the offenders are also overly long. Some have a
more convenient alias, some don't.
The place for verbose device names is DeviceInfo member desc. The
name should be short & sweet.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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